[GRASSLIST:5928] Re: nviz running out of memory

[Hamish]

> > Never seen this before, how big of a region are you looking at?
> >  rows x cols?
> 
> 15220*17168.

.. that's approx. 260 million cells. No wonder you ran out of memory.

 
> I found that "g.region res=90" cures that problem.

At that scale, you can probably set the resolution even coarser without
noticing the difference.


> Alas, the fact that the SRTM 90m DEM is full of holes (null regions)
> and discontinuities is not so easily cured.

Easy to fix:

g.region rast=srtm.raw
r.fillnulls in=srtm.raw out=srtm.filled




Hamish